CN101461723B - Ultrasonic diagnosis device, ultrasonic image analysis device, and ultrasonic image analysis method - Google Patents

Ultrasonic diagnosis device, ultrasonic image analysis device, and ultrasonic image analysis method Download PDF

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CN101461723B
CN101461723B CN2008101863811A CN200810186381A CN101461723B CN 101461723 B CN101461723 B CN 101461723B CN 2008101863811 A CN2008101863811 A CN 2008101863811A CN 200810186381 A CN200810186381 A CN 200810186381A CN 101461723 B CN101461723 B CN 101461723B
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ultrasonography
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tissue
image data
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CN101461723A (en
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川岸哲也
阿部康彦
大内启之
石井克尚
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Kansai Electric Power Co Inc
Canon Medical Systems Corp
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Kansai Electric Power Co Inc
Toshiba Medical Systems Corp
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Abstract

The present invention provides an ultrasonic diagnosis device, an ultrasonic image analysis device and a method thereof. A motion parameter measuring unit (9) two-dimensionally measures a motion parameter of a myocardial tissue by a tracking process on time-series ultrasonic image data acquired by transmission and reception of ultrasonic waves to and from a sample. On the other hand, a time phase setting unit (8) adds a diastolic heartbeat time phase, which is set on the basis of a systole end specified by a time phase where a cardiac cavity area of the ultrasonic image data is the smallest and a diastole end specified by an R wave in an electrocardiographic waveform of the sample, relative to the systole end to time-series parameter image data generated by a parameter image data generating unit (10) on the basis of the motion parameter. An image data extracting unit (11) extracts parameter image data to which the diastolic heartbeat time phase closest to a desired diastolic heartbeat time phase set by an input unit (13) is added and displays the extracted parameter image data on a display unit (12).

Description

Diagnostic ultrasound equipment, ultrasonography resolver and ultrasonography analytic method
Technical field
The present invention relates to diagnostic ultrasound equipment, ultrasonography resolver and ultrasonography analytic method, particularly can generate and show diagnostic ultrasound equipment, ultrasonography resolver and ultrasonography analytic method based on the parametric image data of the kinematic parameter of cardiac muscle etc. through resolving the ultrasonography data of collecting from subject.
Background technology
The ultrasonic pulse that diagnostic ultrasound equipment takes place the vibrating elements of emission from be built in ultrasonic detector in the subject, and utilize above-mentioned vibrating elements to receive the ultrasonic reflections ripple that the difference owing to the acoustic impedance of subject tissue produces and be presented on the monitor.This diagnostic method can easily be observed real-time two-dimensional image data through the simple operations that only makes ultrasonic detector touch body surface, so be widely used in morphological diagnosis and functional diagnosis of organism internal organs etc.
Along with ultrasonic pulse bounce technique and this two big technological development of ultrasonic Doppler method; The ultrasonic diagnosis method that the ultrasonic reflections ripple that is used to tissue or blood cell in organism obtains Biont information has obtained development rapidly, uses the B mode image data that these technology obtain, the observation of color doppler image data in present ultrasonography diagnosis, to become integral part.
In addition, in recent years, attempt according to through resolving the translational speed information of the cardiac muscular tissue that ultrasonography data such as B mode image data obtain, and for example can observe strain (strain) imaging method etc. of " crooked " two-dimentionally.
In the functional diagnosis with heart is in the strain imaging method of purpose; For example collect B mode image data, next measure " displacement " in each one of cardiac muscular tissue to the tracking processing of the ultrasonography data applications exploiting pattern match of adjacency on time orientation according to the reception signal time sequence ground that obtains through the ultrasonic scanning that carries out to subject.Then, the Two dimensional Distribution of " crooked " through calculating the displacement that is defined by per unit length generates the strain pattern data.
In addition; Following method is also proposed: from show TDI (the Tissue Doppler Imaging of the translational speed of cardiac muscular tissue through the application calor Doppler method two-dimentionally; Tissue doppler imaging) the spatial gradient of the above-mentioned translational speed that obtains of method; Measure the Two dimensional Distribution of " crooked speed ", and this " crooked speed " is carried out time integral, thereby generate strain pattern data (for example with reference to TOHKEMY 2005-130877 communique).
And the seasonal effect in time series strain pattern data that obtain through above-mentioned strain imaging method are overlapped on the monitor that is presented at display part on the ultrasonography data such as B mode image data that are used to generate these strain pattern data and as moving image.
In addition, in the ultrasonic diagnosis in nearest heart field, through parametric image data such as the strain pattern data in stage stipulated time (time phase) at observed in detail cardiac dilatation initial stage and can realize the early diagnosis of heart disease.
Under the parametric image data conditions in stage stipulated time of optionally observing such cardiac dilatation initial stage, from as in the past as animated image and the parametric image data that show continuously are difficult to correctly observe " crooked " of the cardiac muscular tissue the afore mentioned rules time phase etc.In addition, need with the end-systole of cardiac muscular tissue benchmark in order correctly to set this stage stipulated time, the method in expansion latter stage of regularly confirming based on the R ripple that utilizes ecg wave form as in the past can't be carried out correct setting.
Summary of the invention
The present invention puts in view of the above problems and accomplishes; Its purpose is to provide a kind of diagnostic ultrasound equipment, ultrasonography resolver and ultrasonography analytic method; When the parametric image data of observing based on the kinematic parameter through resolving the cardiac muscular tissue that the ultrasonography data obtain, can be correctly and show reliably with to diagnosing the regulation heart time stage corresponding parameters view data of effective expansionary phase.
According to an aspect of the present invention; A kind of diagnostic ultrasound equipment is provided; According to the kinematic parameter of measuring bio-tissue through the seasonal effect in time series ultrasonography data of collecting to the ultrasonic scanning of subject, and, it is characterized in that according to these kinematic parameter generation parametric image data; Possess: the movement parameter measurement unit, according to the kinematic parameter of the above-mentioned bio-tissue of above-mentioned ultrasonography DATA REASONING; The parametric image data generating unit is according to the parametric image data of above-mentioned kinematic parameter rise time sequence; Setup unit between heart beat period is set the expansionary phase and the systole of above-mentioned bio-tissue; The time phase setup unit, it is heart time stage expansionary phase of benchmark that the seasonal effect in time series parametric image data in the above-mentioned at least expansionary phase in the above-mentioned ultrasonography data are set respectively with the end-systole of above-mentioned bio-tissue; Heart time stage setup unit is set the expectation heart time stage in above-mentioned expansionary phase; The view data extracting unit extracts the parametric image data in the expansionary phase heart time stage corresponding with the above-mentioned expectation heart time stage; And display unit, show the above-mentioned parameter view data that is extracted.
According to an aspect of the present invention, a kind of ultrasonography resolver is provided, possesses: ultrasonography data storing unit, the seasonal effect in time series ultrasonography data of keeping through collecting to the ultrasonic scanning of subject; The movement parameter measurement unit is according to the kinematic parameter of the above-mentioned bio-tissue of above-mentioned ultrasonography DATA REASONING; The parametric image data generating unit is according to the parametric image data of above-mentioned kinematic parameter rise time sequence; Setup unit between heart beat period is set the expansionary phase and the systole of above-mentioned bio-tissue; The time phase setup unit, it is heart time stage expansionary phase of benchmark that the seasonal effect in time series parametric image data in the above-mentioned at least expansionary phase in the above-mentioned ultrasonography data are set respectively with the end-systole of above-mentioned bio-tissue; Heart time stage setup unit is set the expectation heart time stage in above-mentioned expansionary phase; The view data extracting unit extracts the parametric image data in the expansionary phase heart time stage corresponding with the above-mentioned expectation heart time stage; And display unit, show the above-mentioned parameter view data that is extracted.
According to an aspect of the present invention; A kind of ultrasonography analytic method is provided; It is characterized in that, comprise the steps: kinematic parameter according to the above-mentioned bio-tissue of ultrasonography DATA REASONING of taking care of the time series ultrasonography data of collecting through the ultrasonic scanning that is directed against subject; Parametric image data according to above-mentioned kinematic parameter rise time sequence; Set the expansionary phase and the systole of above-mentioned bio-tissue; It is heart time stage expansionary phase of benchmark that seasonal effect in time series parametric image data in above-mentioned at least expansionary phase in the above-mentioned ultrasonography data are set respectively with the end-systole of above-mentioned bio-tissue; Set the expectation heart time stage in above-mentioned expansionary phase; Extract the parametric image data in the expansionary phase heart time stage corresponding with the above-mentioned expectation heart time stage; And show the above-mentioned parameter view data extracted.
Description of drawings
Fig. 1 is the integrally-built block diagram that the diagnostic ultrasound equipment of first embodiment of the present invention is shown.
Fig. 2 is the block diagram of concrete structure that the transmission acceptance division that diagnostic ultrasound equipment possessed and the ultrasonography data generation portion of first embodiment are shown.
Fig. 3 illustrates expansionary phase and the systole of the cardiac muscular tissue that is set by configuration part between the heart beat period that diagnostic ultrasound equipment possessed of first embodiment and the figure in the expectation heart time stage of expansionary phase of being set by heart time stage configuration part.
Fig. 4 is the figure of concrete example that the heart time stage configuration part that diagnostic ultrasound equipment possessed of first embodiment is shown.
Fig. 5 is the flow chart of generation/step display of parametric image data that the diagnostic ultrasound equipment of first embodiment is shown.
Fig. 6 is the integrally-built block diagram that the ultrasonography resolver of second embodiment of the present invention is shown.
Fig. 7 is the flow chart of generation/step display of parametric image data that the ultrasonography resolver of second embodiment is shown.
The specific embodiment
Below, with reference to accompanying drawing embodiment of the present invention is described.
(first embodiment)
Below the diagnostic ultrasound equipment in first embodiment of the present invention of narration at first subject is carried out that hyperacoustic transmission receives and the B mode image data of rise time sequence with and as the ultrasonography data, to these ultrasonography data carry out tracking processing and " crooked (strain) " that two dimension or three-dimensional is measured cardiac muscular tissue with as kinematic parameter.On the other hand; Become the definite expansion latter stage of R ripple in the ecg wave form of this subject that the collection of end-systole that minimum time phase confirms and utilization and above-mentioned ultrasonography data measures concurrently according to the chambers of the heart inner area that utilizes above-mentioned ultrasonography data; Setting is heart time stage expansionary phase of benchmark with above-mentioned end-systole, and to the seasonal effect in time series parametric image data that generate according to the kinematic parameter of above-mentioned ultrasonography data are additional respectively should heart time stage expansionary phase.Then, from a plurality of parametric image data of seasonal effect in time series, extract and show and utilize the parametric image data in immediate heart time stage expansionary phase in expectation heart time stage of the expansionary phase that input part is set.
In addition; In following embodiment; " crooked " of measuring cardiac muscular tissue narrated as the situation of kinematic parameter, but be not limited thereto, for example also can measure " displacement ", " rotation ", " reversing (torsion) ", " speed " etc. and as kinematic parameter.In addition, also can be " crooked speed ", " speed of rotation ", " reversing speed " of changing of their timeliness of expression, " acceleration " etc.
(structure of device)
Use Fig. 1 to Fig. 4 that the structure and the basic acts of the diagnostic ultrasound equipment in first embodiment of the present invention are described.In addition, Fig. 1 is the integrally-built block diagram that diagnostic ultrasound equipment is shown, and Fig. 2 is the block diagram that the concrete structure of transmission acceptance division that this diagnostic ultrasound equipment possesses and ultrasonography data generation portion is shown.
Diagnostic ultrasound equipment 100 shown in Figure 1 possesses: ultrasonic detector 3 is arranged with a plurality of diagnosis object positions (heart area) to subject and sends ultrasonic pulses (transmission ultrasound wave), and will be transformed into a plurality of vibrating elementss of the signal of telecommunication (reception signal) through the ultrasonic reflections ripple (reception ultrasound wave) that this transmission obtains; Send acceptance division 2, supply with the driving signal that is used for the prescribed direction of above-mentioned subject is sent ultrasonic pulse, and the reception signal of a plurality of passages of obtaining from these vibrating elementss is put in order the phase addition to above-mentioned vibrating elements; Ultrasonography data generation portion 4 handles and generates the ultrasonography data the reception signal after the whole phase addition; Ultrasonography data store 5, will from after the R ripple timing information of the ecg wave form supplied with of the ECG measuring unit stated 14 append to the ultrasonography data of supplying with from ultrasonography data generation portion 4 time serieses ground and preserve; Inner chamber area measurement section 6 is measured the chambers of the heart inner area in these ultrasonography data; The configuration part 7 between heart beat period; Retrieval chambers of the heart inner area becomes minimum ultrasonography data (the first ultrasonography data) and the ultrasonography data (the second ultrasonography data) with R ripple timing information from seasonal effect in time series ultrasonography data, sets the expansionary phase and the systole of cardiac muscular tissue latter stage according to end-systole that utilizes the first ultrasonography data to confirm and the expansion that utilizes the second ultrasonography data to confirm; And time phase configuration part 8, be that benchmark is set the follow-up heart time stage this end-systolic expansionary phase (below be called heart time stage expansionary phase) with the end-systole.
In addition, diagnostic ultrasound equipment 100 possesses: movement parameter measurement portion 9, to from ultrasonography data store 5 time serieses the ultrasonography data of reading measure the kinematic parameter of cardiac muscular tissue respectively; Parametric image data generation portion 10 generates the parametric image data according to the two dimensional motion parameter that calculated, to these parametric image data additional from the time phase configuration part 8 heart time stages expansionary phase of supplying with information and be saved in self storage part; View data extracting part 11; Extract in a plurality of parametric image data of seasonal effect in time series of from the storage part of parametric image data generation portion 10, preserving with after the parametric image data in immediate heart time stage expansionary phase in expectation heart time stage of expansionary phase of stating, and then extract the ultrasonography data of corresponding with these parametric image data (promptly being used to generate the above-mentioned parameter view data) in a plurality of ultrasonography data of from ultrasonography data store 5, preserving; Display part 12 synthesizes and shows ultrasonography data and the parametric image data that extracted; Input part 13 carries out the selection of kinematic parameter, the setting in the expectation heart time stage in expansionary phase, the endocardium that is directed against the benchmark ultrasonography data of from a plurality of ultrasonography data, selecting and the input of epicardial setting and various command signals etc.; ECG measuring unit 14 is measured the ecg wave form (ECG) of this subject, and according to the R ripple of resulting ecg wave form R ripple timing information takes place; And systems control division 15, control above-mentioned each unit that diagnostic ultrasound equipment 100 is possessed generally.
Ultrasonic detector 3 has the N that arranged not shown vibrating elements at its leading section, makes above-mentioned leading section touch the body surface of subject and carries out hyperacoustic transmission and receive.Vibrating elements is an electro-acoustic transducer device, has when sending electric pulse (driving signal) is transformed into ultrasonic pulse (transmission ultrasound wave), when receiving, ultrasonic reflections ripple (reception ultrasound wave) is transformed into the function of the reception signal of electric property.And these vibrating elementss are connected with transmission acceptance division 2 via the multicore cable of not shown N passage respectively.In addition, in this embodiment, the ultrasonic detector 3 that the sector scanning with N vibrating elements is used is narrated, but also can be and corresponding ultrasonic detectors such as linear scanning, convex scanning.
Next, transmission acceptance division 2 shown in Figure 2 possesses: sending part 21, the vibrating elements of ultrasonic detector 3 is supplied with the driving signal; And acceptance division 22, the reception signal that obtains from vibrating elements is put in order the phase addition.
Sending part 21 possesses specified pulse generator 211, transmission lag circuit 212, drive circuit 213, and specified pulse generator 211 generates the specified pulse that hyperacoustic cycle is repeatedly sent in decision through the reference signal of supplying with from systems control division 15 is carried out frequency division.Transmission lag circuit 212 by with send in the independently delay circuit of Nt vibrating elements equal number using constitute, be used for sending the pack of the degree of depth that the ultrasound wave pack becomes regulation with time delay be used for using time delay the specified pulse of supplying with from specified pulse generator 211 is additional along the deflection of prescribed direction θ p transmission.Drive circuit 213 has the independent driving circuits with transmission lag circuit 212 equal numbers, generates according to the specified pulse that has added above-mentioned time delay through transmission lag circuit 212 and drives signal.So (Nt≤N) individual vibrating elements drives, and ultrasound wave is sent in emission in the body of subject to being selected as the Nt that sends usefulness in N the vibrating elements of arranging in the ultrasonic detector 3 to utilize above-mentioned driving signal.
On the other hand; Acceptance division 22 possesses: be selected as Nr (preamplifier 221, A/D changer 222 and receive delay circuit 223 and the adder 224 of Nr≤Nr passage that N) individual vibrating elements is corresponding that receives usefulness in N the vibrating elements built-in from ultrasonic detector 3; After the reception signal of the Nr passage of supplying with via preamplifier 221 from the vibrating elements that receives usefulness is transformed into digital signal through A/D changer 222, send to receive delay circuit 223.
The additional respectively pack that is used for of 223 pairs of reception signals from the Nr passage of A/D changer 222 outputs of receive delay circuit is used time delay from the hyperacoustic pack of the reception of prescribed depth with time delay and the deflection that is used for prescribed direction θ p setting reception directivity, and 224 pairs of reception signals from receive delay circuit 233 of adder carry out additive operation.That is,, the reception signal that obtains from prescribed direction θ p is put in order the phase addition by receive delay circuit 223 and adder 224.In addition; Receive delay circuit 223 and adder 224 can be carried out control through this time delay and formed simultaneously to the what is called of the reception directivity of a plurality of directions is parallel and receive simultaneously, parallelly receive method simultaneously and significantly shorten the time required in the scanning through using this.
Next, ultrasonography data generation portion 4 for example has and generates B mode image data and as the function of ultrasonography data, possess linear envelope detector 41, logarithmic converter 42 and ultrasound data storage part 43.Reception signal after the whole phase addition that 41 pairs of linear envelope detectors are supplied with from the adder 224 of acceptance division 22 carries out the envelope detection, and its amplitude in logarithmic converter 42 of the reception signal after the envelope detection is generated the B mode data on the prescribed direction θ p by logarithmic transformation.Then, send reception with the ultrasound wave that is directed against transmission receive direction θ p (θ p=θ 1 to θ P) and be saved to ultrasound data storage part 43 accordingly and generation ultrasonography data (B mode image data) from the B mode data that logarithmic converter 42 is supplied with successively with the transmission receive direction concomitantly.In addition, also can switch the order of linear envelope detector 41 and logarithmic converter 42 and constituting.
Turn back to Fig. 1,5 pairs of seasonal effect in time series ultrasonography data from for example several heart beat cycles of ultrasonography data generation portion 4 supplies of ultrasonography data store are added from the R ripple timing information of the ecg wave form of ECG measuring unit 14 supplies and are preserved.That is, to the additional R ripple timing information of the ultrasonography data that generated in the moment of the R ripple that detects ecg wave form ultrasonography data generation portion 4 (below be called benchmark ultrasonography data).
Inner chamber area measurement section 6 is read a plurality of ultrasonography data of seasonal effect in time series of preserving in the ultrasonography data store 5; The endocardium that cardiac muscular tissue in the said reference ultrasonography data of carrying out selecting from these ultrasonography data with 13 pairs of input parts to the ultrasonography data of follow-up 1 heart beat cycle in benchmark ultrasonography data sets is the tracking processing of benchmark, and detects the endocardium in these ultrasonography data.Then; By intracardiac membrane-enclosed heart inner area, this measurement result is supplied to configuration part 7 between heart beat period with identifying information of ultrasonography data (below be called the view data identifying information) and R ripple timing information to each ultrasonography DATA REASONING.
Next; End-systole is confirmed through becoming minimum ultrasonography data (the first ultrasonography data) according to the above-mentioned information retrieval chambers of the heart inner area of supplying with from inner chamber area measurement section 6 in configuration part 7 between heart beat period, and confirms to expand latter stage through the benchmark ultrasonography data (the second ultrasonography data) that retrieval has added R ripple timing information.Then, set the expansionary phase and the systole of cardiac muscular tissue latter stage according to above-mentioned end-systole and expansion.
On the other hand, time phase configuration part 8 possesses not shown memory circuit, and it is the heart time stage (heart time stage expansionary phase) of benchmark that the seasonal effect in time series ultrasonography data of collecting in above-mentioned expansionary phase are set respectively with the end-systole.But; This in heart time stage expansionary phase utilize with the ratio that during till from end-systole to expansion latter stage is benchmark (for example till will be from end-systole to expansion latter stage during be made as under the situation of T; During this time 30% of T, the such ratio of T/3) set, heart time stage expansionary phase that set this moment and the view data identifying information of ultrasonography data be kept at above-mentioned memory circuit accordingly.
Next, movement parameter measurement portion 9 possesses not shown sampled point configuration part and tracking processing portion.The a plurality of ultrasonography data of seasonal effect in time series of preserving in the ultrasonography data store 5 are read in above-mentioned sampled point configuration part, set a plurality of sampled points to the endocardium of the benchmark ultrasonography data setting of from these ultrasonography data, being selected by 13 pairs of input parts and the cardiac muscular tissue of visceral pericardium encirclement with predetermined distance.On the other hand; Above-mentioned tracking processing portion is through being that the pattern match of benchmark is carried out tracking processing with the sampled point that is set in benchmark ultrasonography data; For example measure " displacement " in each one of cardiac muscular tissue, and then measure " crooked (strain) " that the displacement with per unit length defines and as kinematic parameter.
Parametric image data generation portion 10 is according to a plurality of parametric image data of the kinematic parameter rise time sequence of the two dimension of being measured by movement parameter measurement portion 9.Next; Heart time stage expansionary phase of preserving in the memory circuit with time phase configuration part 8 reads with the view data identifying information, additional corresponding heart time expansionary phase of view data identifying information with the ultrasonography data that are used to generate the parametric image data of above-mentioned parameter view data is saved in the memory circuit of self after the stage.That is, in the above-mentioned memory circuit of parametric image data generation portion 10, preserve that to have set be the seasonal effect in time series parametric image data in expansionary phase in heart time stage expansionary phase of benchmark with the end-systole.
On the other hand, extract ultrasonography data in the view data extracting part 11 seasonal effect in time series ultrasonography data of from ultrasonography data store 5, preserving and as benchmark ultrasonography data with R ripple timing information.In addition; Information according to expectation heart time stage of the expansionary phase of supplying with via systems control division 15 from input part 13; Extract the parametric image data of having added in a plurality of parametric image data of from parametric image data generation portion 10, preserving, and then extraction is used to generate the ultrasonography data of these parametric image data in a plurality of ultrasonography data of from ultrasonography data store 5, preserving with the information in immediate heart time stage expansionary phase in this expectation heart time stage.
Display part 12 possesses video data generation portion 121 and monitor 122.The conversion process that 121 pairs in video data generation portion stipulates from the benchmark ultrasonography data that view data extracting part 11 is supplied with and generate video data.And then; To handling with synthetic with the parametric image data in immediate heart time stage expansionary phase in expectation heart time stage of the expansionary phase of supplying with from view data extracting part 11 and the conversion process that the ultrasonography data are stipulated, additional as required subject information, ecg wave form etc. and generate video data.On monitor 122, show resulting these video datas then.
Input part 13 possesses input equipments such as keyboard, trace ball, mouse, selector button, load button and display floater etc. on guidance panel, and has: kinematic parameter selection portion 131, carry out the selection of kinematic parameter; Expectation heart time stage of expansionary phase is set in heart time stage configuration part 132; And interior adventitia configuration part 133, to the cardiac muscular tissue's setting endocardium and the visceral pericardium of benchmark ultrasonography data.In addition, use above-mentioned display floater and input equipment etc. also to carry out the input of subject information, various view data formation condition and the setting of display condition, the input of various command signals etc.
Fig. 3 illustrates expansionary phase and the systole of the cardiac muscular tissue that is set by configuration part between heart beat period 7 and the expectation heart time stage of expansionary phase of being set by above-mentioned heart time stage configuration part 132.
That is, in Fig. 3 (a), the systole of cardiac muscular tissue till corresponding to R ripple to the T ripple of the ecg wave form Ec of this subject of measuring by ECG measuring unit 14 during Ts, expansionary phase till corresponding to T ripple to the R ripple of ecg wave form Ec during Td.Then, through measuring the kinematic parameter that has only passed through the cardiac muscular tissue under the expectation heart time stage Pxo (Pxo=Tx/Tdx100 (%)) of the expansionary phase of stipulated time Tx from end-systole as stated, can carry out the early diagnosis of heart disease.But; May not be easily detect the T ripple and confirm end-systole, so become minimum time phase and confirm that end-systolic method is preferred through detecting the chambers of the heart inner area shown in the ultrasonography data as stated from the ecg wave form Ec of subject with heart disease.
On the other hand, the seasonal effect in time series M of Fig. 3 (b) schematically illustrated expansionary phase of from the seasonal effect in time series ultrasonography data that the measurement with ecg wave form Ec generates concurrently, extracting opens heart time stage expansionary phase P1 to PM that ultrasonography data D1 to DM, time phase configuration part 8 pairs of ultrasonography data D1 to DM set and the parametric image data E1 to EM that generates according to ultrasonography data D1 to DM.Promptly; Ultrasonography data D1 that generates in the end-systole that shows at the T wave table with ecg wave form Ec and the parametric image data E1 that obtains through the tracking processing based on these ultrasonography data D1 are set with heart time stage expansionary phase p1, are set with heart time stage expansionary phase P2 to PM in ultrasonography data D1 respectively with the ultrasonography data D2 to DM of predetermined distance generation and the parametric image data E2 to EM that generates according to these view data follow-up.
Then; In the heart time stage configuration part 132 of input part 13, set under the situation of expectation heart time stage Pxo of expansionary phase, parametric image data Ex and the ultrasonography data Dx of the heart time stage expansionary phase Px that the view data extracting part 11 that receives this set information via systems control division 15 extracts is corresponding with expectation heart time stage Pxo (promptly with expect that heart time stage Pxo is the most approaching) also is presented on the display part 12.
In addition; In said method, following situation is narrated; Parametric image data E1 to EM to generating in advance sets heart time stage expansionary phase P1 to PM; And extract the parametric image data Ex that has with expectation heart time stage Pxo Px of immediate heart time stage expansionary phase, but also can basis directly generate parametric image data Ex with the ultrasonography data Dx that expects heart time stage Pxo Px of immediate heart time stage expansionary phase.
Next, use Fig. 4 that the concrete example of the heart time stage configuration part 132 of setting in input part 13 is described.This heart time stage configuration part 132 possesses: heart time stage display part 132-a, utilize being that the ratio (%) of benchmark shows the expectation heart time stage Pxo expansionary phase during till from end-systole to expansion latter stage; Heart time stage update portion 132-b carries out its renewal through increasing and decreasing the expectation heart time stage that in this heart time stage display part 132-a, shows; And display mode switching part 132-c, the fixedly display mode of 1 parametric image data that switching displayed is corresponding with the expectation heart time stage of expansionary phase and upgrade the update displayed pattern that shows with corresponding a plurality of parametric image data of above-mentioned expectation heart time stage in each of a plurality of heart beat cycles successively.Then; Through operating heart time stage update portion 132-b while observing the expectation heart time stage that is presented on the heart time stage display part 132-a, set for shown in Fig. 3 (a) from end-systole to expectation till the heart time stage Pxo during Tx relative expansionary phase of Td become ratio (the regulation ratio 30%～34% of expectation.For example with expansionary phase 1/3 corresponding about 33% etc.).
Get back to Fig. 1 once more, ECG measuring unit 14 has according to from the detected R ripple of the ecg wave form of subject the function of R ripple timing information taking place, and possesses: measure and use electrode, be installed in the subject surface and measure ecg wave form; Amplifying circuit is amplified to specified amplitude with the ecg wave form that utilizes this measurement with electrode measurement; The A/D changer is transformed into digital signal with the ecg wave form after amplifying; And R ripple test section, the ecg wave form that is transformed into digital signal is set the threshold value of regulation and detected R ripple (all not shown).
And systems control division 15 possesses not shown CPU and memory circuit, and the various information of input/setting in input part 13/selection are saved to above-mentioned memory circuit.And above-mentioned CPU is according to each unit of the deposit of faith control diagnostic ultrasound equipment of from the above-mentioned information of input part 13 inputs, self memory circuit, taking care of in advance 100, carries out generation and the demonstration of ultrasonography data and parametric image data etc.
(generation/step displays of parametric image data)
Next, use the flow chart of Fig. 5 that the generation of the parametric image data in this embodiment and the step of demonstration are described.
Utilizing after input part 13 imported subject information the operator who generates diagnostic ultrasound equipment 100 before the parametric image data, utilize kinematic parameter selection portion 131 select cardiac muscular tissues " crooked " and as kinematic parameter.And then, the formation condition of initial setting ultrasonography data and parametric image data and the display condition of these view data etc., and the measurement that possesses in the ECG measuring unit 14 is installed to the regulation position (the step S1 of Fig. 5) of subject with electrode.
If above-mentioned initial setting finishes, then the operator passes through the generation sign on of input part 13 input ultrasonography data under the state of the leading section of the body surface portion of subject having been fixed ultrasonic detector 3.Then, if this command signal supplies to systems control division 15, then beginning with the ultrasonography data of rise time sequence is the ultrasound wave transmission reception of purpose.
Promptly; Specified pulse generator 211 in the transmission acceptance division 2 of Fig. 2 is through carrying out frequency division to the reference signal of supplying with from systems control division 15; Generate the specified pulse that determines the cycle repeatedly of ultrasonic waves transmitted pulse in the subject, supply with these specified pulses to transmission lag circuit 212.
Next; 212 pairs of specified pulses of transmission lag circuit are additional be used for to the hyperacoustic pack of prescribed depth pack with time delay be used for sending along initial transmission receive direction θ 1 hyperacoustic deflection with time delay after, to drive circuit 213 these specified pulses of supply.Then, drive circuit 213 sends with vibrating elements via the Nt of not shown cable in ultrasonic detector 3 and supplies with the driving signal that generates according to specified pulse, to the θ 1 direction emission ultrasonic pulse of subject.
The part of ultrasonic waves transmitted pulse in the subject is reflected in the boundary face of the different heart of acoustic impedance, cardiac muscular tissue etc., and these ultrasonic reflections ripples (reception ultrasound wave) receive the signal of telecommunication (reception signal) that is transformed into the Nt passage with vibrating elements through the Nt in the ultrasonic detector 3.Then; These receive signal is amplified to regulation through the preamplifier 221 of acceptance division 22 size; And be transformed into after the digital signal through A/D changer 222, through receive delay circuit 223 by the time delay of additional regulation, and through adder 224 by addition synthetic (whole phase addition).At this moment; In receive delay circuit 223, according to set from the control signal of systems control division 15 be used for pack from the pack of the ultrasonic reflections ripple of prescribed depth with making the ultrasonic reflections ripple use time delay with being used to time delay along the deflection that transmission receive direction θ 1 has strong reception directivity.
Next; The reception signal that 42 pairs of whole phase additions through adder 224 of the linear envelope detector 41 of ultrasonography data generation portion 4 and logarithmic converter are pooled to 1 passage carries out the envelope detection and logarithmic transformation generates the B mode data, and resulting B mode data is saved in ultrasound data storage part 43.
Next, 15 pairs of systems control divisions send receive direction θ 2 to θ P and carry out ultrasound wave transmission reception with same step, and the B mode data that obtain this moment also is saved in ultrasound data storage part 43.Promptly; To ultrasound data storage part 43; Preserve successively through sending and receive that the B mode data that obtains generates the B mode data of 1 frame and as the ultrasonography data, resulting ultrasonography data and view data identifying information are saved in ultrasonography data store 5 to the ultrasound wave that sends receive direction θ 1 to θ P.
And then through above-mentioned steps repeatedly, for example time series ground generates the ultrasonography data of several heart beat cycles, also the view data identifying information is saved in ultrasonography data store 5 successively as incidental information for these ultrasonography data.
On the other hand, the utilization of 14 pairs of ECG measuring units is measured with electrode detection and is carried out the ecg wave form that the A/D conversion obtains through the A/D changer and set the threshold value of regulation, thereby detects the R ripple.Then, the periodic R ripple timing information that expression detects this R ripple is sent to ultrasonography data store 5, appends to supply to ultrasonography data store 5 this moment from ultrasonography data generation portion 4 above-mentioned ultrasonography data.That is, the B mode image data that generate in the stage for the heart time at the R ripple are saved in ultrasonography data store 5 and as incidental information (the step S2 of Fig. 5) with R ripple timing information and view data identifying information.
If to the generation of the seasonal effect in time series ultrasonography data (B mode image data) of this subject with preserve and finish, then in the view data extracting part 11 seasonal effect in time series ultrasonography data of from ultrasonography data store 5, preserving extraction have R ripple timing information the ultrasonography data and as benchmark ultrasonography data and be presented on the monitor 122 of display part 12.Then, observing the operator who is presented at the benchmark ultrasonography data on the display part 12 uses the cardiac muscular tissue of interior adventitia configuration part 133 pairs of benchmark ultrasonographies data of input part 13 to set endocardium and visceral pericardium (the step S3 of Fig. 5).
Next; Inner chamber area measurement section 6 is read a plurality of ultrasonography data of seasonal effect in time series of preserving in the ultrasonography data store 5; The endocardium that cardiac muscular tissue in the said reference ultrasonography data of carrying out selecting from these ultrasonography data with 13 pairs of input parts to the ultrasonography data of follow-up 1 heart beat cycle in benchmark ultrasonography data sets is the tracking processing of benchmark, and detects the endocardium in these ultrasonography data.Then, by intracardiac membrane-enclosed chambers of the heart inner area, this measurement result is supplied to configuration part 7 between heart beat period (the step S4 of Fig. 5) with view data identifying information and R ripple timing information to each ultrasonography DATA REASONING.
On the other hand; End-systole is confirmed through becoming minimum ultrasonography data (the first ultrasonography data) according to the above-mentioned information retrieval chambers of the heart inner area of supplying with from inner chamber area measurement section 6 in configuration part 7 between heart beat period, and confirms to expand latter stage through the ultrasonography data (the second ultrasonography data) that retrieval has a R ripple timing information.Then, set the expansionary phase and the systole (the step S5 of Fig. 5) of cardiac muscular tissue latter stage according to above-mentioned end-systole and expansion.
Then; It is heart time stage expansionary phase of benchmark that the seasonal effect in time series ultrasonography data that collected in expansionary phase 8 pairs of time phase configuration parts are set respectively with the end-systole, and heart time stage expansionary phase that sets and the view data identifying information of above-mentioned ultrasonography data are saved in the memory circuit (the step S6 of Fig. 5) of self accordingly.
Next; The a plurality of ultrasonography data of seasonal effect in time series of preserving in the ultrasonography data store 5 are read in the sampled point configuration part of movement parameter measurement portion 9, set a plurality of sampled points to the endocardium of the benchmark ultrasonography data setting of from these ultrasonography data, being selected by 13 pairs of input parts and the cardiac muscular tissue of visceral pericardium encirclement with predetermined distance.On the other hand; The tracking processing portion of movement parameter measurement portion 9 is through being that the pattern match of benchmark is carried out tracking processing with the sampled point to said reference ultrasonography data setting; Measure " displacement " in each one of cardiac muscular tissue, and then measure " crooked " that the displacement with per unit length defines and as kinematic parameter (the step S7 of Fig. 5).
Next, parametric image data generation portion 10 is according to a plurality of parametric image data (the step S8 of Fig. 5) by movement parameter measurement portion 9 two dimension ground measured motion parameter rise time sequences.Next; After the expectation heart time stage set 33% heart time stage for example (becoming the heart time stage in moment of about 1/3 of expansionary phase) by the heart time stage configuration part of input part 13 132 as expansionary phase; Heart time stage expansionary phase of preserving in the memory circuit with time phase configuration part 8 reads with the view data identifying information, and the above-mentioned parameter view data is set corresponding heart time stage expansionary phase of view data identifying information with the ultrasonography data that are used to generate the parametric image data.Then, the parametric image data of the information of having added heart time stage expansionary phase that sets are saved in the memory circuit (the step S9 of Fig. 5) of self.
If having set the preservation of the parametric image data in heart time stage expansionary phase finishes; Then view data extracting part 11 is according to the information in the expectation heart time stage of the expansionary phase of supplying with via systems control division 15 from the heart time stage configuration part 132 of input part 13; Extract the parametric image data of having added in a plurality of parametric image data of from parametric image data generation portion 10, preserving with the information in immediate heart time stage expansionary phase in this expectation heart time stage, and then the extraction ultrasonography data corresponding with these parametric image data in a plurality of ultrasonography data of from ultrasonography data store 5, preserving.
Then; 121 pairs in the video data generation portion of display part 12 handles with synthetic with the parametric image data in expectation immediate heart time stage expansionary phase in heart time stage and the conversion process that the ultrasonography data are stipulated from view data extracting part 11 is that supply with, and additional as required subject information, ecg wave form etc. and generate video data.On monitor 122, show resulting these video datas (the step S10 of Fig. 5) then.In addition; In this shows; Also can to each section averaging of parameter value be shown like that kind of ASE (American Society of Echocardiography, U.S. ultrasoundcardiogram association), AHA recommendations such as (American Heart Association, American Heart Association).
According to aforesaid first embodiment of the present invention; When the parametric image data of observing based on the kinematic parameter through resolving the cardiac muscular tissue that the ultrasonography data obtain, can be correctly and show reliably and parametric image data to immediate heart time stage expansionary phase in the expectation heart time stage of diagnosing effective expansionary phase.Therefore, diagnosis efficiency and diagnostic accuracy improve, and operator's burden alleviates.
Especially; In this embodiment; Become the end-systole that minimum ultrasonography data are confirmed cardiac muscular tissue according to the chambers of the heart inner area of from seasonal effect in time series ultrasonography data, selecting; Can in ecg wave form, not detect T ripple etc. so can not depend on, be the expectation heart time stage of the expansionary phase of benchmark and can correctly set with this end-systole.
And then; The expectation heart time stage of above-mentioned expansionary phase is that to utilize with the expansionary phase be to set in % heart time stage of benchmark, so also can easily set diagnosing the effective heart time stage even in heart beat cycle, exist under the situation of individual differences.
(second embodiment)
Next second embodiment of the present invention is narrated.Ultrasonography resolver in this second embodiment at first carries out tracking processing and measures the kinematic parameter of cardiac muscular tissue two-dimentionally the seasonal effect in time series ultrasonography data of under the state that has added based on the R ripple timing information of the ecg wave form of subject, collecting in advance.On the other hand; Becoming end-systole that minimum time phase confirms according to the chambers of the heart inner area that utilizes above-mentioned ultrasonography data is heart time stage expansionary phase of benchmark with utilizing the expansion that the additional above-mentioned R ripple timing information of above-mentioned ultrasonography data is confirmed to set with above-mentioned end-systole latter stage, and the seasonal effect in time series parametric image data that the kinematic parameter according to above-mentioned ultrasonography data is generated are additional respectively should heart time stage expansionary phase.Then, from a plurality of parametric image data of seasonal effect in time series, extract and show and utilize the parametric image data in immediate heart time stage expansionary phase in expectation heart time stage of the expansionary phase that input part is set.
(structure of device)
Use Fig. 6 that the structure of the ultrasonography resolver in second embodiment of the present invention is described.In addition; Fig. 6 is the integrally-built block diagram that the ultrasonography resolver in this embodiment is shown; For have with first embodiment shown in Figure 1 in the identical structure in the unit of diagnostic ultrasound equipment 100 and the unit of function, additional same label and detailed.
Promptly; Ultrasonography resolver 200 shown in Figure 6 possesses: ultrasonography data storing portion 16, a plurality of ultrasonography data of seasonal effect in time series that keeping is supplied with via network or storage medium from the diagnostic ultrasound equipment of other setting and to the R ripple timing information of the additional ecg wave form of these ultrasonography data; Inner chamber area measurement section 6 is measured the chambers of the heart inner area in these ultrasonography data; The configuration part 7 between heart beat period; Retrieval chambers of the heart inner area becomes minimum ultrasonography data (the first ultrasonography data) and the ultrasonography data (the second ultrasonography data) with R ripple timing information from seasonal effect in time series ultrasonography data, sets the expansionary phase and the systole of cardiac muscular tissue latter stage according to end-systole that utilizes the first ultrasonography data to confirm and the expansion that utilizes the second ultrasonography data to confirm; And time phase configuration part 8, be that benchmark is set the follow-up heart time stage this end-systolic expansionary phase (heart time stage expansionary phase) with the end-systole.
In addition, ultrasonography resolver 200 possesses: movement parameter measurement portion 9, to from ultrasonography data storing portion 16 time serieses the ultrasonography data of reading measure the kinematic parameter of cardiac muscular tissue respectively; Parametric image data generation portion 10 generates the parametric image data according to the two dimensional motion parameter that calculated, to these parametric image data additional from the time phase configuration part 8 heart time stages expansionary phase of supplying with information and be saved in self storage part; View data extracting part 11; The parametric image data in immediate heart time stage expansionary phase in expectation heart time stage of extraction and expansionary phase in a plurality of parametric image data of seasonal effect in time series of from the storage part of parametric image data generation portion 10, preserving, and then extract the ultrasonography data corresponding in a plurality of ultrasonography data of from ultrasonography data store 5, preserving with these parametric image data; Display part 12 synthesizes and shows ultrasonography data and the parametric image data that extracted; Input part 13 carries out the input of the selection of kinematic parameter, the setting in the expectation heart time stage in expansionary phase, the endocardium that is directed against the benchmark ultrasonography data of from a plurality of ultrasonography data, selecting and epicardial setting, various command signals etc.; And systems control division 15a, control above-mentioned each unit that ultrasonography resolver 200 is possessed generally.
(generation/step displays of parametric image data)
Next, use the flow chart of Fig. 7 that the generation of the parametric image data in this embodiment and the step of demonstration are described.Wherein, in Fig. 7, for first embodiment shown in Figure 5 in the identical step of generation/step display of parametric image data, additional same label and detailed.
Before generating the parametric image data, a plurality of ultrasonography data of collecting by the diagnostic ultrasound equipment of other setting of seasonal effect in time series and based on to the R ripple timing information of the additional ecg wave form of these view data via network or storage medium by the ultrasonography data storing portion 16 (the step S21 of Fig. 7) of keeping to ultrasonography resolver 200.
Then; Operating in of ultrasonography resolver 200 utilizes input part 13 to import after the subject information; Utilize kinematic parameter selection portion 131 to select diagnosing suitable kinematic parameter, and then carry out the initial setting (the step S22 of Fig. 7) of display condition etc. of formation condition, ultrasonography data and the parametric image data of parametric image data.
If above-mentioned initial setting finishes, then the operator is from the generation sign on of input part 13 input parameter view data.Then, through systems control division 15a being supplied with this command signal, the parametric image data of beginning rise time sequence.
That is, extract ultrasonography data in the seasonal effect in time series ultrasonography data of view data extracting part 11 keeping from ultrasonography data storing portion 16 and as benchmark ultrasonography data and be presented on the monitor 122 of display part 12 with R ripple timing information.Then, observing the operator who is presented at the benchmark ultrasonography data on the display part 12 uses the cardiac muscular tissue of interior adventitia configuration part 133 pairs of benchmark ultrasonographies data of input part 13 to set endocardium and visceral pericardium (the step S23 of Fig. 7).
Next, the order of step S4 to S6 of utilizing Fig. 7 utilizes the order of the step S7 to S8 of Fig. 7 to generate the seasonal effect in time series parametric image data based on above-mentioned ultrasonography data to the ultrasonography data setting heart time expansionary phase stage.Then; In the step S9 of Fig. 7; Heart time stage expansionary phase that the parametric image data setting is used to generate the ultrasonography data of parametric image data; In the step S10 of Fig. 7, from a plurality of parametric image data of seasonal effect in time series and ultrasonography data, extract with the parametric image data and the ultrasonography data in immediate heart time stage expansionary phase in expectation heart time stage of the expansionary phase of utilizing input part 13 to set and be presented on the monitor 122 of display part 12.
Second embodiment of the present invention according to above narration; When the parametric image data of observing based on the kinematic parameter through resolving the cardiac muscular tissue that the ultrasonography data collected in advance obtain, can be correctly and show reliably and parametric image data to immediate heart time stage expansionary phase in the expectation heart time stage of diagnosing effective expansionary phase.Therefore, diagnosis efficiency and diagnostic accuracy improve, and operator's burden reduces.
Especially; In this embodiment; With first embodiment likewise; Become the end-systole that minimum ultrasonography data are confirmed cardiac muscular tissue according to the chambers of the heart inner area of from seasonal effect in time series ultrasonography data, selecting; Can correctly set with the expectation heart time stage of above-mentioned end-systole as the expansionary phase of benchmark so need not to use the T ripple of the ecg wave form that is difficult to detect, the expectation heart time stage of above-mentioned expansionary phase is that to utilize with the expansionary phase be to set in % heart time stage of benchmark in addition, so also can easily set diagnosing the effective heart time stage even in heart beat cycle, exist under the situation of individual differences.
And then; According to above-mentioned second embodiment; Can carry out the generation and the demonstration of parametric image data via the seasonal effect in time series ultrasonography data of supplies such as network according to diagnostic ultrasound equipment, can be directed against the diagnosis of this subject so the operator can receive the restriction in time and place etc. hardly efficiently from other setting.
More than, embodiment of the present invention is narrated, but the invention is not restricted to above-mentioned embodiment, can be out of shape and implement.For example; In the above-described embodiment; Following situation is narrated; Use the seasonal effect in time series ultrasonography data of preserving in advance in ultrasonography data store 5 or the ultrasonography data storing portion 16 to generate the seasonal effect in time series parametric image data of having set heart time stage expansionary phase; And from these parametric image data, select and static demonstration and the expectation heart time stage Pxo Px of immediate heart time stage expansionary phase of expansionary phase under 1 parametric image data; But also can in a plurality of heart beat cycles, select the parametric image data of heart time stage expansionary phase Px, and show these parametric image data continuously, also can use display mode switching part 132-c shown in Figure 4 to come update displayed successively.
In addition; Also can utilize configuration part 7 between heart beat period and heart time stage configuration part 132 preestablish Syst during Ts and from end-systole to expectation heart time stage Px till during Ts; Next according to the generation of R ripple from ecg wave form regularly passed through stipulated time T0 (
Figure G2008101863811D00201
) the time inscribe the ultrasonography data of supplying with from ultrasonography data generation portion 4 or the diagnostic ultrasound equipment that is provided with in addition, generate the parametric image data of heart time stage expansionary phase Px.According to this method, can show the parametric image data of heart time stage expansionary phase Px with heart beat cycle unit in real time, for example can correctly observe before and after the sports load or the timeliness of the cardiac muscular tissue in the subject before and after drug load variation.
In addition; In the above-described embodiment; " crooked " of measuring cardiac muscular tissue narrated as the situation of kinematic parameter; But also can measure " displacement ", " rotation ", " reversing (torsion) ", " speed " etc. and as kinematic parameter, also can be " crooked speed ", " speed of rotation ", " reversing speed " of changing of their timeliness of expression, " acceleration " etc.
And then; Ultrasonography data setting to obtaining in the timing of the R ripple that the electric wave waveform takes place becomes the benchmark ultrasonography data conditions of using in endocardium and the epicardial initial setting to narrate, but the ultrasonography data that also can obtain in the stage at heart time arbitrarily benchmark ultrasonography data setting.
On the other hand; The ultrasonography data that in ultrasonography data generation portion 4, generate are not limited to B mode image data; Also can be other such ultrasonography data of color doppler image data and TDI view data etc., these ultrasonography data also can be the view data that generates three-dimensionally in addition.
In addition; In the above-described embodiment; Situation to set expectation heart time stage Pxo in the moment (the step S9 of Fig. 5 or Fig. 7) that has been generated seasonal effect in time series parametric image data by parametric image data generation portion 10 is narrated, but also can in the initial setting of step S1, set above-mentioned expectation heart time stage Pxo.
On the other hand; In the above-described embodiment; Synthetic also display parameters view data and ultrasonography data conditions are narrated; Show or display parameters view data only but also can arrange, perhaps also can arrange show as sports load before and after or the parametric image data that under the photography conditions different state, generate the drug load front and back by a plurality of expectation heart time stage Px that constitute.
And then; Confirm that to utilizing chambers of the heart inner area to become minimum ultrasonography data the end-systolic situation of cardiac muscular tissue narrates; But confirm for end-systolic; Also can regularly carry out, perhaps under the situation that is easy to observe the T ripple in the ecg wave form, also can regularly carry out according to the generation of this T ripple according to the inaccessible of the large artery trunks valve that utilizes the ultrasonography data to observe.
In addition; In the above-described embodiment; Narrated the logarithmic converter 43 by ultrasonography data generation portion 4 has been carried out logarithmic transformation and the ultrasound data that obtains carries out tracking processing and measures the situation of various kinematic parameters; But be not limited thereto, also can be to carrying out tracking processing from the reception signal of the adder of acceptance division 22 224 outputs or the output signal of linear envelope detector 41.
And then; Narrated following situation; Parametric image data E1 to EM to being generated by parametric image data generation portion 10 sets heart time stage expansionary phase P1 to PM; And extract the parametric image data Ex that has with expectation heart time stage Pxo Px of immediate heart time stage expansionary phase, but also can basis directly generate parametric image data Ex with the ultrasonography data Dx that expects heart time stage Pxo Px of immediate heart time stage expansionary phase.
In addition; Can also utilize expansionary phase and Syst setting, the setting in heart time stage expansionary phase, the cardiac muscular tissue of measurement, the cardiac muscular tissue of the chambers of the heart inner area that hardware carries out carrying out each unit by configuration part 7, time phase configuration part 8, movement parameter measurement portion 9, parametric image data generation portion 10 and view data extracting part 11 between Fig. 1 or inner chamber area measurement section 6 shown in Figure 6, heart beat period movement parameter measurement, parametric image data generation and with the extraction of the parametric image data of expectation heart time immediate expansionary phase in heart time stage in the stage, but their whole or its a part of software that utilizes usually carries out.

Claims (29)

1. diagnostic ultrasound equipment; According to the kinematic parameter of measuring bio-tissue through the seasonal effect in time series ultrasonography data of collecting to the ultrasonic scanning of subject; And, it is characterized in that possessing according to these kinematic parameter generation parametric image data:
The movement parameter measurement unit is according to the kinematic parameter of the above-mentioned bio-tissue of above-mentioned ultrasonography DATA REASONING;
The parametric image data generating unit is according to the parametric image data of above-mentioned kinematic parameter rise time sequence;
Setup unit between heart beat period is set the expansionary phase and the systole of above-mentioned bio-tissue;
The time phase setup unit, it is heart time stage expansionary phase of benchmark that the seasonal effect in time series parametric image data in the above-mentioned at least expansionary phase in the above-mentioned ultrasonography data are set respectively with the end-systole of above-mentioned bio-tissue;
Heart time stage setup unit is set the expectation heart time stage in above-mentioned expansionary phase;
The view data extracting unit extracts the parametric image data in the expansionary phase heart time stage corresponding with the above-mentioned expectation heart time stage;
Display unit shows the above-mentioned parameter view data that is extracted;
Inner chamber area measuring unit is measured the inner chamber area of the above-mentioned bio-tissue in the above-mentioned ultrasonography data; And
The ECG measuring unit is measured the ecg wave form of above-mentioned subject,
Setup unit becomes the minimum determined above-mentioned end-systole of ultrasonography data and utilizes the determined expansion of the R ripple timing information latter stage by the ecg wave form of above-mentioned ECG measuring unit measurement according to the inner chamber area that utilizes the above-mentioned bio-tissue of being measured by above-mentioned inner chamber area measuring unit between above-mentioned heart beat period, sets the expansionary phase and the systole of above-mentioned bio-tissue.
2. diagnostic ultrasound equipment; According to the kinematic parameter of measuring bio-tissue through the seasonal effect in time series ultrasonography data of collecting to the ultrasonic scanning of subject; And, it is characterized in that possessing according to these kinematic parameter generation parametric image data:
The movement parameter measurement unit is according to the kinematic parameter of the above-mentioned bio-tissue of above-mentioned ultrasonography DATA REASONING;
The parametric image data generating unit is according to the parametric image data of above-mentioned kinematic parameter rise time sequence;
Setup unit between heart beat period is set the expansionary phase and the systole of above-mentioned bio-tissue;
The time phase setup unit, it is heart time stage expansionary phase of benchmark that the seasonal effect in time series parametric image data in the above-mentioned at least expansionary phase in the above-mentioned ultrasonography data are set respectively with the end-systole of above-mentioned bio-tissue;
Heart time stage setup unit is set the expectation heart time stage in above-mentioned expansionary phase;
The view data extracting unit extracts the parametric image data in the expansionary phase heart time stage corresponding with the above-mentioned expectation heart time stage;
Display unit shows the above-mentioned parameter view data that is extracted; And
The ECG measuring unit is measured the ecg wave form of above-mentioned subject,
Setup unit is set the expansionary phase and the systole of above-mentioned bio-tissue according to the determined determined end-systole of T ripple timing information of expanding latter stage and utilizing the above-mentioned ecg wave form of being measured by above-mentioned ECG measuring unit of the R ripple timing information that utilizes the above-mentioned ecg wave form of being measured by above-mentioned ECG measuring unit between above-mentioned heart beat period.
3. diagnostic ultrasound equipment; According to the kinematic parameter of measuring bio-tissue through the seasonal effect in time series ultrasonography data of collecting to the ultrasonic scanning of subject; And, it is characterized in that possessing according to these kinematic parameter generation parametric image data:
The movement parameter measurement unit is according to the kinematic parameter of the above-mentioned bio-tissue of above-mentioned ultrasonography DATA REASONING;
The parametric image data generating unit is according to the parametric image data of above-mentioned kinematic parameter rise time sequence;
Setup unit between heart beat period is set the expansionary phase and the systole of above-mentioned bio-tissue;
The time phase setup unit, it is heart time stage expansionary phase of benchmark that the seasonal effect in time series parametric image data in the above-mentioned at least expansionary phase in the above-mentioned ultrasonography data are set respectively with the end-systole of above-mentioned bio-tissue;
Heart time stage setup unit is set the expectation heart time stage in above-mentioned expansionary phase;
The view data extracting unit extracts the parametric image data in the expansionary phase heart time stage corresponding with the above-mentioned expectation heart time stage;
Display unit shows the above-mentioned parameter view data that is extracted;
Designating unit is regularly specified large artery trunks valve regularly inaccessible of above-mentioned ultrasonography data; And
The ECG measuring unit is measured the ecg wave form of above-mentioned subject,
Setup unit is set the expansionary phase and the systole of above-mentioned bio-tissue according to utilizing by the determined above-mentioned end-systole of the periodic information of the specified obturation of above-mentioned timing designating unit and utilizing the determined expansion of the R ripple timing information latter stage by the ecg wave form of above-mentioned ECG measuring unit measurement between above-mentioned heart beat period.
4. according to any described diagnostic ultrasound equipment in the claim 1 to 3, it is characterized in that a plurality of sampled points are set to the bio-tissue in the above-mentioned ultrasonography data in above-mentioned movement parameter measurement unit,
And be the tracking processing of the pattern match of benchmark through utilizing with above-mentioned sampled point, measure the kinematic parameter of above-mentioned bio-tissue.
5. according to any described diagnostic ultrasound equipment in the claim 1 to 3; It is characterized in that, above-mentioned movement parameter measurement unit measure above-mentioned bio-tissue crooked, displacement, rotate, reverse, in the speed any at least one and as above-mentioned kinematic parameter.
6. according to any described diagnostic ultrasound equipment in the claim 1 to 3; It is characterized in that, above-mentioned movement parameter measurement unit measure above-mentioned bio-tissue crooked speed, the speed of rotation, reverse any at least and in speed and the acceleration as above-mentioned kinematic parameter.
7. according to any described diagnostic ultrasound equipment in the claim 1 to 3; It is characterized in that, above-mentioned time phase setup unit set in order to from above-mentioned end-systole to follow-up be above-mentioned heart time stage expansionary phase that the ratio (%) of benchmark is represented during till this end-systolic expansion latter stage.
8. according to any described diagnostic ultrasound equipment in the claim 1 to 3; It is characterized in that; The ultrasonography data that above-mentioned view data extracting unit will have been set above-mentioned heart time stage expansionary phase extract with the above-mentioned parameter view data, above-mentioned display unit is synthetic or the arrangement demonstration is extracted above-mentioned parameter view data and ultrasonography data.
9. according to any described diagnostic ultrasound equipment in the claim 1 to 3; It is characterized in that above-mentioned view data extracting unit extracts the above-mentioned parameter view data of having set immediate heart time stage expansionary phase in above-mentioned expectation heart time stage that sets with above-mentioned heart time stage setup unit.
10. according to any described diagnostic ultrasound equipment in the claim 1 to 3, it is characterized in that above-mentioned display unit is arranged and is presented at the parametric image data by a plurality of above-mentioned expectation heart time stages that constitute that generate under the different photography conditions.
11. according to any described diagnostic ultrasound equipment in the claim 1 to 3; It is characterized in that; Above-mentioned time phase setup unit with from above-mentioned end-systole to follow-up during till this end-systolic expansion latter stage T be benchmark, will set above-mentioned heart time stage expansionary phase for from the moment of this end-systole T/3.
12. according to any described diagnostic ultrasound equipment in the claim 1 to 3; It is characterized in that; Above-mentioned time phase setup unit with from above-mentioned end-systole to follow-up during till this end-systolic expansion latter stage T be benchmark, will set above-mentioned heart time stage expansionary phase for from the moment of this end-systole 0.30T～0.34T.
13. according to any described diagnostic ultrasound equipment in the claim 1 to 3, it is characterized in that above-mentioned display unit standard is according to the rules carried out segmentation to above-mentioned bio-tissue,
, through the section that above-mentioned segmentation obtains the averaging of value of above-mentioned kinematic parameter shown as the above-mentioned parameter view data to each.
14. a ultrasonography resolver possesses:
Ultrasonography data storing unit, the seasonal effect in time series ultrasonography data of keeping through collecting to the ultrasonic scanning of subject;
The movement parameter measurement unit is according to the kinematic parameter of above-mentioned ultrasonography DATA REASONING bio-tissue;
The parametric image data generating unit is according to the parametric image data of above-mentioned kinematic parameter rise time sequence;
Setup unit between heart beat period is set the expansionary phase and the systole of above-mentioned bio-tissue;
The time phase setup unit, it is heart time stage expansionary phase of benchmark that the seasonal effect in time series parametric image data in the above-mentioned at least expansionary phase in the above-mentioned ultrasonography data are set respectively with the end-systole of above-mentioned bio-tissue;
Heart time stage setup unit is set the expectation heart time stage in above-mentioned expansionary phase;
The view data extracting unit extracts the parametric image data in the expansionary phase heart time stage corresponding with the above-mentioned expectation heart time stage;
Display unit shows the above-mentioned parameter view data that is extracted;
Inner chamber area measuring unit is measured the inner chamber area of the bio-tissue in the above-mentioned ultrasonography data; And
The ECG measuring unit is measured the ecg wave form of above-mentioned subject,
Setup unit becomes the minimum determined above-mentioned end-systole of ultrasonography data and utilizes the determined expansion of the R ripple timing information latter stage by the ecg wave form of above-mentioned ECG measuring unit measurement according to the inner chamber area that utilizes the above-mentioned bio-tissue of being measured by above-mentioned inner chamber area measuring unit between above-mentioned heart beat period, sets the expansionary phase and the systole of above-mentioned bio-tissue.
15. a ultrasonography resolver possesses:
Ultrasonography data storing unit, the seasonal effect in time series ultrasonography data of keeping through collecting to the ultrasonic scanning of subject;
The movement parameter measurement unit is according to the kinematic parameter of above-mentioned ultrasonography DATA REASONING bio-tissue;
The parametric image data generating unit is according to the parametric image data of above-mentioned kinematic parameter rise time sequence;
Setup unit between heart beat period is set the expansionary phase and the systole of above-mentioned bio-tissue;
The time phase setup unit, it is heart time stage expansionary phase of benchmark that the seasonal effect in time series parametric image data in the above-mentioned at least expansionary phase in the above-mentioned ultrasonography data are set respectively with the end-systole of above-mentioned bio-tissue;
Heart time stage setup unit is set the expectation heart time stage in above-mentioned expansionary phase;
The view data extracting unit extracts the parametric image data in the expansionary phase heart time stage corresponding with the above-mentioned expectation heart time stage;
Display unit shows the above-mentioned parameter view data that is extracted; And
The ECG measuring unit is measured the ecg wave form of above-mentioned subject,
Setup unit is set the expansionary phase and the systole of above-mentioned bio-tissue according to the determined determined end-systole of T ripple timing information of expanding latter stage and utilizing the above-mentioned ecg wave form of being measured by above-mentioned ECG measuring unit of the R ripple timing information that utilizes the above-mentioned ecg wave form of being measured by above-mentioned ECG measuring unit between above-mentioned heart beat period.
16. a ultrasonography resolver possesses:
Ultrasonography data storing unit, the seasonal effect in time series ultrasonography data of keeping through collecting to the ultrasonic scanning of subject;
The movement parameter measurement unit is according to the kinematic parameter of above-mentioned ultrasonography DATA REASONING bio-tissue;
The parametric image data generating unit is according to the parametric image data of above-mentioned kinematic parameter rise time sequence;
Setup unit between heart beat period is set the expansionary phase and the systole of above-mentioned bio-tissue;
The time phase setup unit, it is heart time stage expansionary phase of benchmark that the seasonal effect in time series parametric image data in the above-mentioned at least expansionary phase in the above-mentioned ultrasonography data are set respectively with the end-systole of above-mentioned bio-tissue;
Heart time stage setup unit is set the expectation heart time stage in above-mentioned expansionary phase;
The view data extracting unit extracts the parametric image data in the expansionary phase heart time stage corresponding with the above-mentioned expectation heart time stage;
Display unit shows the above-mentioned parameter view data that is extracted;
The timing designating unit, the inaccessible timing of the large artery trunks valve of appointment ultrasonography data; And
The ECG measuring unit is measured the ecg wave form of above-mentioned subject,
Setup unit is set the expansionary phase and the systole of above-mentioned bio-tissue according to utilizing by the determined above-mentioned end-systole of the periodic information of the specified obturation of above-mentioned timing designating unit and utilizing the determined expansion of the R ripple timing information latter stage by the ecg wave form of above-mentioned ECG measuring unit measurement between above-mentioned heart beat period.
17. according to any described ultrasonography resolver in the claim 14 to 16, it is characterized in that a plurality of sampled points are set to the bio-tissue in the above-mentioned ultrasonography data in above-mentioned movement parameter measurement unit,
And be the tracking processing of the pattern match of benchmark through utilizing with above-mentioned sampled point, measure the kinematic parameter of above-mentioned bio-tissue.
18. according to any described ultrasonography resolver in the claim 14 to 16; It is characterized in that, above-mentioned movement parameter measurement unit measure above-mentioned bio-tissue crooked, displacement, rotate, reverse, in the speed any at least one and as above-mentioned kinematic parameter.
19. according to any described ultrasonography resolver in the claim 14 to 16; It is characterized in that, above-mentioned movement parameter measurement unit measure above-mentioned bio-tissue crooked speed, the speed of rotation, reverse any at least and in speed and the acceleration as above-mentioned kinematic parameter.
20. according to any described ultrasonography resolver in the claim 14 to 16; It is characterized in that, above-mentioned time phase setup unit set in order to from above-mentioned end-systole to follow-up be above-mentioned heart time stage expansionary phase that the ratio (%) of benchmark is represented during till this end-systolic expansion latter stage.
21. according to any described ultrasonography resolver in the claim 14 to 16; It is characterized in that; The ultrasonography data that above-mentioned view data extracting unit will have been set above-mentioned heart time stage expansionary phase extract with the above-mentioned parameter view data, above-mentioned display unit is synthetic or the arrangement demonstration is extracted above-mentioned parameter view data and ultrasonography data.
22. according to any described ultrasonography resolver in the claim 14 to 16; It is characterized in that above-mentioned view data extracting unit extracts the above-mentioned parameter view data of having set immediate heart time stage expansionary phase in above-mentioned expectation heart time stage that sets with above-mentioned heart time stage setup unit.
23., it is characterized in that above-mentioned display unit is arranged and is presented at the parametric image data by a plurality of above-mentioned expectation heart time stages that constitute that generate under the different photography conditions according to any described ultrasonography resolver in the claim 14 to 16.
24. according to any described ultrasonography resolver in the claim 14 to 16; It is characterized in that; Above-mentioned time phase setup unit with from above-mentioned end-systole to follow-up during till this end-systolic expansion latter stage T be benchmark, will set above-mentioned heart time stage expansionary phase for from the moment of this end-systole T/3.
25. according to any described ultrasonography resolver in the claim 14 to 16; It is characterized in that; Above-mentioned time phase setup unit with from above-mentioned end-systole to follow-up during till this end-systolic expansion latter stage T be benchmark, will set above-mentioned heart time stage expansionary phase for from the moment of this end-systole 0.30T～0.34T.
26. according to any described ultrasonography resolver in the claim 14 to 16, it is characterized in that above-mentioned display unit standard is according to the rules carried out segmentation to above-mentioned bio-tissue,
, through the section that above-mentioned segmentation obtains the averaging of value of above-mentioned kinematic parameter shown as the above-mentioned parameter view data to each.
27. a ultrasonography analytic method is characterized in that, comprises the steps:
According to by the kinematic parameter that passes through the time series ultrasonography DATA REASONING bio-tissue that the ultrasonic scanning to subject collects of keeping;
Parametric image data according to above-mentioned kinematic parameter rise time sequence;
Set the expansionary phase and the systole of above-mentioned bio-tissue;
It is heart time stage expansionary phase of benchmark that seasonal effect in time series parametric image data in above-mentioned at least expansionary phase in the above-mentioned ultrasonography data are set respectively with the end-systole of above-mentioned bio-tissue;
Set the expectation heart time stage in above-mentioned expansionary phase;
Extract the parametric image data in the expansionary phase heart time stage corresponding with the above-mentioned expectation heart time stage; And
Show the above-mentioned parameter view data that is extracted,
Wherein, Under the situation of setting the expectation heart time stage in above-mentioned expansionary phase; Become the minimum determined above-mentioned end-systole of ultrasonography data and utilize the determined expansion of R ripple timing information latter stage of the ecg wave form of above-mentioned subject according to the inner chamber area that utilizes the bio-tissue in the above-mentioned ultrasonography data, set the expansionary phase and the systole of above-mentioned bio-tissue.
28. a ultrasonography analytic method is characterized in that, comprises the steps:
According to by the kinematic parameter that passes through the time series ultrasonography DATA REASONING bio-tissue that the ultrasonic scanning to subject collects of keeping;
Parametric image data according to above-mentioned kinematic parameter rise time sequence;
Set the expansionary phase and the systole of above-mentioned bio-tissue;
It is heart time stage expansionary phase of benchmark that seasonal effect in time series parametric image data in above-mentioned at least expansionary phase in the above-mentioned ultrasonography data are set respectively with the end-systole of above-mentioned bio-tissue;
Set the expectation heart time stage in above-mentioned expansionary phase;
Extract the parametric image data in the expansionary phase heart time stage corresponding with the above-mentioned expectation heart time stage; And
Show the above-mentioned parameter view data that is extracted,
Wherein, Under the situation of setting the expectation heart time stage in above-mentioned expansionary phase; According to the determined determined end-systole of T ripple timing information of expanding latter stage and utilizing above-mentioned ecg wave form of the R ripple timing information of the ecg wave form that utilizes above-mentioned subject, set the expansionary phase and the systole of above-mentioned bio-tissue.
29. a ultrasonography analytic method is characterized in that, comprises the steps:
According to by the kinematic parameter that passes through the time series ultrasonography DATA REASONING bio-tissue that the ultrasonic scanning to subject collects of keeping;
Parametric image data according to above-mentioned kinematic parameter rise time sequence;
Set the expansionary phase and the systole of above-mentioned bio-tissue;
It is heart time stage expansionary phase of benchmark that seasonal effect in time series parametric image data in above-mentioned at least expansionary phase in the above-mentioned ultrasonography data are set respectively with the end-systole of above-mentioned bio-tissue;
Set the expectation heart time stage in above-mentioned expansionary phase;
Extract the parametric image data in the expansionary phase heart time stage corresponding with the above-mentioned expectation heart time stage; And
Show the above-mentioned parameter view data that is extracted,
Wherein, Under the situation of setting the expectation heart time stage in above-mentioned expansionary phase; According to the determined above-mentioned end-systole of the inaccessible periodic information of the large artery trunks valve that utilizes above-mentioned ultrasonography data with utilize the determined expansion of R ripple timing information latter stage of the ecg wave form of above-mentioned subject, set the expansionary phase and the systole of above-mentioned bio-tissue.
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